Formatting fixes.

Author: simbadzina

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RpcConstants.java

@@ -37,7 +37,7 @@ private RpcConstants() {
 
 
   public static final int INVALID_RETRY_COUNT = -1;
-
+  
  /**
   * The Rpc-connection header is as follows 
   * +----------------------------------+

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/ClientGSIContext.java

@@ -18,14 +18,14 @@
 
 package org.apache.hadoop.hdfs;
 
-import java.util.concurrent.atomic.LongAccumulator;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.ipc.AlignmentContext;
 import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcRequestHeaderProto;
 import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcResponseHeaderProto;
 
 import java.io.IOException;
+import java.util.concurrent.atomic.LongAccumulator;
 import org.apache.hadoop.thirdparty.protobuf.ByteString;
 
 /**

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/ConnectionManager.java

@@ -78,7 +78,7 @@ public class ConnectionManager {
    */
   private final RouterStateIdContext routerStateIdContext;
   /**
-   * Maps from connection pool ID to namespace.
+   * Map from connection pool ID to namespace.
    */
   private final Map<ConnectionPoolId, String> connectionPoolToNamespaceMap;
   /** Max size of queue for creating new connections. */

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/ConnectionPool.java

@@ -427,7 +427,7 @@ public ConnectionContext newConnection() throws IOException {
    * @param ugi User context.
    * @param proto Interface of the protocol.
    * @param enableMultiSocket Enable multiple socket or not.
-   * @param alignmentContext client alignment context.
+   * @param alignmentContext Client alignment context.
    * @return proto for the target ClientProtocol that contains the user's
    *         security context.
    * @throws IOException If it cannot be created.